ubuntu@ubuntu:/usr/lib$ sudo mkntfs -Q -L 80GB_IMG /dev/sda7
mkntfs: error while loading shared libraries: /usr/lib/libntfs.so.10: cannot read file data: Input/output error
ubuntu@ubuntu:/usr/lib$ ls -l libntfs*
lrwxrwxrwx 1 root root     17 2010-10-07 16:09 libntfs.so.10 -> libntfs.so.10.0.0
-rw-r--r-- 1 root root 154168 2010-03-07 03:25 libntfs.so.10.0.0
ubuntu@ubuntu:/usr/lib$